Sailing SV Delosvideo
When a Plan Comes Together….(Building Our Own Aluminum Catamaran Pt. 69)
15 de mayo de 2026 · 27 min · 218K vistas
Woman climbs metal ladder on catamaran hull in workshop
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Fabrication of a custom aluminum boarding ladder and the installation of a large-scale lithium battery bank highlight the ongoing construction of a new aluminum catamaran. The ladder design features an angled profile to improve climbing ergonomics compared to vertical designs, with the frame fabricated from aluminum and dry-fitted to the transom to ensure proper clearance and deployment.2:48 The battery system consists of 18 lithium batteries arranged in six stacks of three, connected via vertical bus bars.9:58 To ensure balanced charging and consistent voltage drop across the system, the installation uses identical 70mm² cable lengths for all connections, with creative routing used to compensate for varying distances between battery banks and their respective isolation switches and contactors.8:23 Each battery bank includes a manual shutoff switch and a 350-amp relay-style contactor, allowing for both individual bank isolation and a centralized emergency power cutoff.19:59
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